Toyota RAV4 manuals

Toyota Sienna Service Manual: DRL Relay Circuit

DESCRIPTION

The Multiplex network body ECU controls the DRL No.2 relay

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to DLC3.
  2.  Turn the ignition switch ON and push the intelligent tester main switch ON.
  3.  Select the item below in the ACTIVE TEST and then check that the relay operates.

BODY NO.1:

BODY NO.1

2 INSPECT DRL NO.2 RELAY

INSPECT DRL NO.2 RELAY

  1. Inspect DRL No.2 Relay continuity.

Resistance

Resistance

3 CHECK HARNESS AND CONNECTOR (POWER SOURCE)

CHECK HARNESS AND CONNECTOR (POWER SOURCE)

  1. Disconnect the connector from the instrument panel junction block assembly.
  2.  Measure the voltage according to the value(s) in the table below.

Voltage

Voltage

4 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Reconnect the connector to the instrument panel junction block assembly.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure the voltage according to the value(s) in the table below.

Voltage

Voltage

Voltage

5 INSPECT RELAY (DRL NO.3, DRL NO.4)

INSPECT RELAY (DRL NO.3, DRL NO.4)

  1. Inspect DRL NO.4 Relay continuity.

Resistance

Resistance

  1. Inspect DRL NO.3 Relay continuity.

INSPECT RELAY (DRL NO.3, DRL NO.4)

Resistance

Resistance

6 INSPECT DAYTIME RUNNING LIGHT RESISTER

 INSPECT DAYTIME RUNNING LIGHT RESISTER

  1. Measure the resistance according to the value(s) in the table below.

Resistance

Resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR

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